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MYSQL教程:MySQL Show命令

Jun 07, 2016 pm 04:16 PM
mysql Order Tutorial

show tables或show tables from database_name; 解释:显示当前数据库中所有表的名称 show databases; 解释:显示mysql中所有数据库的名称 show processlist; 解释:显示系统中正在运行的所有进程,也就是当前正在执行的查询。大多数用户可以查看 他们自己的

  show tables或show tables from database_name;
解释:显示当前数据库中所有表的名称

show databases;
解释:显示mysql中所有数据库的名称

show processlist;
解释:显示系统中正在运行的所有进程,也就是当前正在执行的查询。大多数用户可以查看
他们自己的进程,但是如果他们拥有process权限,就可以查看所有人的进程,包括密码。

show table status;
解释:显示当前使用或者指定的database中的每个表的信息。信息包括表类型和表的最新更新时间

show columns from table_name from database_name; 或show columns from database_name.table_name;
解释:显示表中列名称

show grants for user_name@localhost;
解释:显示一个用户的权限,显示结果类似于grant 命令

show index from table_name;
解释:显示表的索引

show status;
解释:显示一些系统特定资源的信息,,例如,正在运行的线程数量

show variables;
解释:显示系统变量的名称和值

show privileges;
解释:显示服务器所支持的不同权限

show create database database_name;
解释:显示create database 语句是否能够创建指定的数据库

show create table table_name;
解释:显示create database 语句是否能够创建指定的数据库

show engies;
解释:显示安装以后可用的存储引擎和默认引擎。

show innodb status;
解释:显示innoDB存储引擎的状态

show logs;
解释:显示BDB存储引擎的日志

show warnings;
解释:显示最后一个执行的语句所产生的错误、警告和通知

show errors;
解释:只显示最后一个执行语句所产生的错误
 

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